env: fix toggle of primary surface (F3) to work with TIN surface
env: fix toggle of primary surface (F3) to work with TIN surface
seanisom/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp,markraz/vtp,markraz/vtp,markraz/vtp